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diff --git a/sw/inc/unotextrange.hxx b/sw/inc/unotextrange.hxx
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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#ifndef INCLUDED_SW_INC_UNOTEXTRANGE_HXX
+#define INCLUDED_SW_INC_UNOTEXTRANGE_HXX
+
+#include <com/sun/star/lang/XServiceInfo.hpp>
+#include <com/sun/star/beans/XPropertySet.hpp>
+#include <com/sun/star/beans/XPropertyState.hpp>
+#include <com/sun/star/container/XIndexAccess.hpp>
+#include <com/sun/star/container/XEnumerationAccess.hpp>
+#include <com/sun/star/container/XContentEnumerationAccess.hpp>
+#include <com/sun/star/text/XTextRange.hpp>
+#include <com/sun/star/text/XRedline.hpp>
+
+#include <cppuhelper/implbase.hxx>
+
+#include "pam.hxx"
+#include "unobaseclass.hxx"
+
+class SwDoc;
+class SwUnoCursor;
+class SwFrameFormat;
+class SwXText;
+
+class SW_DLLPUBLIC SwUnoInternalPaM final
+    : public SwPaM
+{
+
+private:
+    SwUnoInternalPaM(const SwUnoInternalPaM&) = delete;
+
+public:
+    SwUnoInternalPaM(SwDoc& rDoc);
+    virtual ~SwUnoInternalPaM() override;
+
+    SwUnoInternalPaM& operator=(const SwPaM& rPaM);
+};
+
+namespace sw {
+
+    enum class TextRangeMode {
+        RequireTextNode,
+        AllowNonTextNode,
+        AllowTableNode
+    };
+
+    void DeepCopyPaM(SwPaM const & rSource, SwPaM & rTarget);
+
+    SW_DLLPUBLIC bool XTextRangeToSwPaM(SwUnoInternalPaM& rToFill,
+            const css::uno::Reference<css::text::XTextRange> & xTextRange,
+            TextRangeMode eMode = TextRangeMode::RequireTextNode);
+
+    css::uno::Reference< SwXText >
+        CreateParentXText(SwDoc & rDoc, const SwPosition& rPos);
+
+    bool GetDefaultTextContentValue(css::uno::Any& rAny,
+        std::u16string_view rPropertyName, sal_uInt16 nWID = 0);
+
+} // namespace sw
+
+typedef ::cppu::WeakImplHelper
+<   css::lang::XServiceInfo
+,   css::beans::XPropertySet
+,   css::beans::XPropertyState
+,   css::container::XEnumerationAccess
+,   css::container::XContentEnumerationAccess
+,   css::text::XTextRange
+,   css::text::XRedline
+> SwXTextRange_Base;
+
+class SW_DLLPUBLIC SwXTextRange final
+    : public SwXTextRange_Base
+{
+
+private:
+
+    friend class SwXText;
+
+    class Impl;
+    ::sw::UnoImplPtr<Impl> m_pImpl;
+
+    void    SetPositions(SwPaM const& rPam);
+    //TODO: new exception type for protected content
+    /// @throws css::uno::RuntimeException
+    void    DeleteAndInsert(
+                std::u16string_view aText, ::sw::DeleteAndInsertMode eMode);
+    void    Invalidate();
+
+    virtual ~SwXTextRange() override;
+
+public:
+
+    enum RangePosition
+    {
+        RANGE_IN_TEXT,  // "ordinary" css::text::TextRange
+        RANGE_IN_CELL,  // position created with a cell that has no uno object
+        RANGE_IS_TABLE, // anchor of a table
+        RANGE_IS_SECTION, // anchor of a section
+    };
+
+    SwXTextRange(SwPaM const & rPam,
+            const css::uno::Reference< css::text::XText > & xParent,
+            const enum RangePosition eRange = RANGE_IN_TEXT);
+    // only for RANGE_IS_TABLE
+    SwXTextRange(SwTableFormat& rTableFormat);
+    // only for RANGE_IS_SECTION
+    SwXTextRange(SwSectionFormat& rSectionFormat);
+
+    const SwDoc& GetDoc() const;
+          SwDoc& GetDoc();
+    bool GetPositions(SwPaM & rToFill,
+        ::sw::TextRangeMode eMode = ::sw::TextRangeMode::RequireTextNode) const;
+
+    static rtl::Reference< SwXTextRange > CreateXTextRange(
+            SwDoc & rDoc,
+            const SwPosition& rPos, const SwPosition *const pMark);
+
+    // XServiceInfo
+    virtual OUString SAL_CALL getImplementationName() override;
+    virtual sal_Bool SAL_CALL supportsService(
+            const OUString& rServiceName) override;
+    virtual css::uno::Sequence< OUString > SAL_CALL
+        getSupportedServiceNames() override;
+
+    // XPropertySet
+    virtual css::uno::Reference< css::beans::XPropertySetInfo > SAL_CALL
+        getPropertySetInfo() override;
+    virtual void SAL_CALL setPropertyValue(
+            const OUString& rPropertyName,
+            const css::uno::Any& rValue) override;
+    virtual css::uno::Any SAL_CALL getPropertyValue(
+            const OUString& rPropertyName) override;
+    virtual void SAL_CALL addPropertyChangeListener(
+            const OUString& rPropertyName,
+            const css::uno::Reference< css::beans::XPropertyChangeListener >& xListener) override;
+    virtual void SAL_CALL removePropertyChangeListener(
+            const OUString& rPropertyName,
+            const css::uno::Reference< css::beans::XPropertyChangeListener >& xListener) override;
+    virtual void SAL_CALL addVetoableChangeListener(
+            const OUString& rPropertyName,
+            const css::uno::Reference< css::beans::XVetoableChangeListener >& xListener) override;
+    virtual void SAL_CALL removeVetoableChangeListener(
+            const OUString& rPropertyName,
+            const css::uno::Reference< css::beans::XVetoableChangeListener >& xListener) override;
+
+    // XPropertyState
+    virtual css::beans::PropertyState SAL_CALL
+        getPropertyState(const OUString& rPropertyName) override;
+    virtual css::uno::Sequence< css::beans::PropertyState > SAL_CALL
+        getPropertyStates(
+            const css::uno::Sequence< OUString >& rPropertyNames) override;
+    virtual void SAL_CALL setPropertyToDefault(
+            const OUString& rPropertyName) override;
+    virtual css::uno::Any SAL_CALL getPropertyDefault(
+            const OUString& rPropertyName) override;
+
+    // XElementAccess
+    virtual css::uno::Type SAL_CALL getElementType() override;
+    virtual sal_Bool SAL_CALL hasElements() override;
+
+    // XEnumerationAccess
+    virtual css::uno::Reference< css::container::XEnumeration >  SAL_CALL
+        createEnumeration() override;
+
+    // XContentEnumerationAccess
+    virtual css::uno::Reference< css::container::XEnumeration > SAL_CALL
+        createContentEnumeration(const OUString& rServiceName) override;
+    virtual css::uno::Sequence< OUString > SAL_CALL
+        getAvailableServiceNames() override;
+
+    // XTextRange
+    virtual css::uno::Reference< css::text::XText >
+        SAL_CALL getText() override;
+    virtual css::uno::Reference<
+                css::text::XTextRange > SAL_CALL getStart() override;
+    virtual css::uno::Reference<
+                css::text::XTextRange > SAL_CALL getEnd() override;
+    virtual OUString SAL_CALL getString() override;
+    virtual void SAL_CALL setString(const OUString& rString) override;
+
+    // XRedline
+    virtual void SAL_CALL makeRedline(
+            const OUString& rRedlineType,
+            const css::uno::Sequence< css::beans::PropertyValue >& RedlineProperties) override;
+
+};
+
+typedef ::cppu::WeakImplHelper
+<   css::lang::XServiceInfo
+,   css::container::XIndexAccess
+> SwXTextRanges_Base;
+
+struct SwXTextRanges : public SwXTextRanges_Base
+{
+    virtual SwUnoCursor* GetCursor() =0;
+    static rtl::Reference<SwXTextRanges> Create(SwPaM* const pCursor);
+};
+
+#endif // INCLUDED_SW_INC_UNOTEXTRANGE_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */